Exemplo n.º 1
0
    static public void Main()
    {
        // Create an AlchemyAPI object.
        AlchemyAPI.AlchemyAPI    alchemyObj    = new AlchemyAPI.AlchemyAPI();
        AlchemyAPI_KeywordParams keywordParams = new AlchemyAPI_KeywordParams();
        AlchemyAPI_EntityParams  entityParams  = new AlchemyAPI_EntityParams();

        // Load an API key from disk.
        alchemyObj.LoadAPIKey("api_key.txt");
        keywordParams.setMaxRetrieve(1);
        keywordParams.setShowSourceText(true);
        keywordParams.setSourceText(AlchemyAPI_KeywordParams.SourceTextMode.RAW);
        keywordParams.setSentiment(true);
        // Extract a ranked list of named entities from a web URL with parameters.
        string xml = alchemyObj.URLGetRankedKeywords("http://www.techcrunch.com/", keywordParams);

        Console.WriteLine(xml);

        // Load a HTML document to analyze.
        StreamReader streamReader = new StreamReader("data/example.html");
        string       htmlDoc      = streamReader.ReadToEnd();

        streamReader.Close();


        entityParams.setMaxRetrieve(3);
        entityParams.setDisambiguate(true);
        entityParams.setOutputMode(AlchemyAPI_BaseParams.OutputMode.RDF);
        entityParams.setSentiment(true);
        // Extract a ranked list of named entities from a HTML document with parameters.
        xml = alchemyObj.HTMLGetRankedNamedEntities(htmlDoc, "http://www.test.com/", entityParams);
        Console.WriteLine(xml);
    }
Exemplo n.º 2
0
        public void Initialize()
        {
            alchemyObj = new AlchemyAPI.AlchemyAPI();
            alchemyObj.LoadAPIKey("alchemyapikey.txt");

            eparams = new AlchemyAPI_EntityParams();
            eparams.setMaxRetrieve(250);

            kparams = new AlchemyAPI_KeywordParams();
            kparams.setMaxRetrieve(250);

            cparams = new AlchemyAPI_ConceptParams();
            cparams.setMaxRetrieve(250);
        }
Exemplo n.º 3
0
        protected DataSet GetEntities(string url)
        {
            DataSet dsEntities = new DataSet();

#if TEST
            // Using previously captured dataset
            dsEntities.ReadXml("alchemyEntityTestResponse.xml");
#else
            if (!Cached("Entity", url, ref dsEntities))
            {
                AlchemyAPI_EntityParams eparams = new AlchemyAPI_EntityParams();
                eparams.setMaxRetrieve(250);
                string     xml = alchemyObj.URLGetRankedNamedEntities(url, eparams);
                TextReader tr  = new StringReader(xml);
                XmlReader  xr  = XmlReader.Create(tr);
                dsEntities.ReadXml(xr);
                xr.Close();
                tr.Close();
                Cache("Entity", url, dsEntities);
            }
#endif
            return(dsEntities);
        }
    static public void Main1()
    {
        // Create an AlchemyAPI object.
        AlchemyAPI.AlchemyAPI alchemyObj = new AlchemyAPI.AlchemyAPI();


        // Load an API key from disk.
        alchemyObj.LoadAPIKey("api_key.txt");


        // Extract sentiment for a web URL.
        string xml = alchemyObj.URLGetTextSentiment("http://www.techcrunch.com/");

        Console.WriteLine(xml);


        // Extract sentiment from a text string.
        xml = alchemyObj.TextGetTextSentiment("Hello there, my name is Bob Jones.  I live in the United States of America.  Where do you live, Fred?");
        Console.WriteLine(xml);


        // Load a HTML document to analyze.
        StreamReader streamReader = new StreamReader("data/example.html");
        string       htmlDoc      = streamReader.ReadToEnd();

        streamReader.Close();


        // Extract sentiment from a HTML document.
        xml = alchemyObj.HTMLGetTextSentiment(htmlDoc, "http://www.test.com/");
        Console.WriteLine(xml);


        // Extract named entities with entity-targeted sentiment.
        AlchemyAPI_EntityParams entityParams = new AlchemyAPI_EntityParams();

        entityParams.setSentiment(true);
        xml = alchemyObj.TextGetRankedNamedEntities("Bryan Adams' genius is unsurpassed.", entityParams);
        Console.WriteLine(xml);


        // Extract keywords with keyword-targeted sentiment.
        AlchemyAPI_KeywordParams keywordParams = new AlchemyAPI_KeywordParams();

        keywordParams.setSentiment(true);
        xml = alchemyObj.TextGetRankedKeywords("Bryan Adams' genius is unsurpassed.", keywordParams);
        Console.WriteLine(xml);

        // Extract Targeted Sentiment
        AlchemyAPI_TargetedSentimentParams sentimentParams = new AlchemyAPI_TargetedSentimentParams();

        sentimentParams.setShowSourceText(true);
        xml = alchemyObj.TextGetTargetedSentiment("This car is terrible.", "car", sentimentParams);
        Console.WriteLine(xml);

        xml = alchemyObj.URLGetTargetedSentiment("http://techcrunch.com/2012/03/01/keen-on-anand-rajaraman-how-walmart-wants-to-leapfrog-over-amazon-tctv/", "Walmart", sentimentParams);
        Console.WriteLine(xml);

        xml = alchemyObj.HTMLGetTargetedSentiment(htmlDoc, "http://www.test.com/", "WujWuj", sentimentParams);
        Console.WriteLine(xml);
    }